# 22109: Invalid Address SID

Log Level: ERROR

## Description

You attempted to host a phone number with an invalid Address SID.

### Possible causes

* The SID is not a 34-character string that is prefixed with "AD".
* The Address resource identified by the SID does not exist anymore or does not belong to your account.

### Possible solutions

* Please specify an Address SID you've created in your [Account Dashboard](https://www.twilio.com/console/phone-numbers/addresses).